10,009 in words
10,009
ten thousand nine
10,009 is written ten thousand nine.
Ways to write it
- As an ordinal
- ten thousand ninth
- Expanded form
- 10,000 + 9
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 1 | 10,000 |
| thousands | 0 | 0 |
| hundreds | 0 | 0 |
| tens | 0 | 0 |
| ones | 9 | 9 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 10,009 (2 factors)
- First 10 multiples
- 10,009, 20,018, 30,027, 40,036, 50,045, 60,054, 70,063, 80,072, 90,081, 100,090
- Square
- 10,009 × 10,009 = 100,180,081
- Square root
- ≈ 100.04
- Sum of the digits
- 1 + 0 + 0 + 0 + 9 = 10
- Rounded to the nearest 10
- 10,010
- Rounded to the nearest 100
- 10,000
- Rounded to the nearest 1000
- 10,000
- Number before
- 10,008
- Number after
- 10,010
- In binary
10011100011001
Quick check
What number comes just after 10,009?
Show the answer
10,010
Is 10,009 even or odd?
Show the answer
Odd
What is 10,009 + 10?
Show the answer
10,019
Practice with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
Find the missing number in a sequence.Frequently asked questions
How do you write 10,009 in words?
10,009 is written "ten thousand nine".
Is 10,009 a prime number?
Yes. 10,009 is a prime number: its only factors are 1 and 10,009.
What are the factors of 10,009?
The factors of 10,009 are 1 and 10,009.